It can be an extra-special 0-byte executable though, running far faster than anything else, like so: /proc/bin/true /proc/bin/false The exec doesn't even nee

It can be an extra-special 0-byte executable though, running far faster than anything else, like so: /proc/bin/true /proc/bin/false The exec doesn't even need to create page tables or run any non-kernel code. This is a benchmark-winning design.